can b12 injections affect your kidneys Symptoms of High Vitamin B12: Causes and When to Seek Help – Bolt Pharmacy Can Vitamin B12 Deficiency Indicate

Most side effects are mild and transient

Studies exploring vascular pathways suggest that peptide signaling can influence endothelial function and blood vessel formation

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Common (5-15% of users): Mild injection site reactions, minor digestive changes Uncommon (1-5%): Sleep changes, temporary fatigue, mild headache Rare (under 1%): Dizziness, flushing, mood changes Very Rare: Serious adverse effects rarely reported in community use Theoretical Concerns BPC-157s ability to stimulate angiogenesis (blood vessel formation) raises theoretical questions about its use in individuals with active cancer or high cancer risk

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You're more likely to have vitamin B12 deficiency if you have a medical condition where your body can't absorb B12 or you follow a strict vegan diet